A single phase 220/6 Volt, 50 Hz transformer has a rated primary current = 0.5 A. its maximum efficiency is at load current = 15 A and equal to 94% at unity p.f. Its efficiency at rated load, 0.65 p.f. lagging is: 087.8%. 092.3%. 090.9%. O None.
A single phase 220/6 Volt, 50 Hz transformer has a rated primary current = 0.5 A. its maximum efficiency is at load current = 15 A and equal to 94% at unity p.f. Its efficiency at rated load, 0.65 p.f. lagging is: 087.8%. 092.3%. 090.9%. O None.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Question
![A single phase 220/6 Volt, 50 Hz
transformer has a rated primary current
= 0.5 A. its maximum efficiency is at
load current = 15 A and equal to 94% at
unity p.f. Its efficiency at rated load, 0.65
p.f. lagging is:
087.8%.
092.3%.
090.9%.
ONone.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde5ac5b2-624a-4ca3-9e5f-788012c13e77%2Fe9203422-7379-492b-95da-b273e25a6eff%2Fdpj7on_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A single phase 220/6 Volt, 50 Hz
transformer has a rated primary current
= 0.5 A. its maximum efficiency is at
load current = 15 A and equal to 94% at
unity p.f. Its efficiency at rated load, 0.65
p.f. lagging is:
087.8%.
092.3%.
090.9%.
ONone.
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